/**
 * Created by JetBrains PhpStorm.
 * User: taoqili
 * Date: 12-2-20
 * Time: 上午11:19
 * To change this template use File | Settings | File Templates.
 */

(function() {
  var video = {}
  var uploadVideoList = []
  var isModifyUploadVideo = false
  var uploadFile

  window.onload = function() {
    $focus($G('videoUrl'))
    initTabs()
    initVideo()
    initUpload()
  }

  /* 初始化tab标签 */
  function initTabs() {
    var tabs = $G('tabHeads').children
    for (var i = 0; i < tabs.length; i++) {
      domUtils.on(tabs[i], 'click', function(e) {
        var j; var bodyId; var target = e.target || e.srcElement
        for (j = 0; j < tabs.length; j++) {
          bodyId = tabs[j].getAttribute('data-content-id')
          if (tabs[j] == target) {
            domUtils.addClass(tabs[j], 'focus')
            domUtils.addClass($G(bodyId), 'focus')
          } else {
            domUtils.removeClasses(tabs[j], 'focus')
            domUtils.removeClasses($G(bodyId), 'focus')
          }
        }
      })
    }
  }

  function initVideo() {
    createAlignButton(['videoFloat', 'upload_alignment'])
    addUrlChangeListener($G('videoUrl'))
    addOkListener();

    // 编辑视频时初始化相关信息
    (function() {
      var img = editor.selection.getRange().getClosedNode(); var url
      if (img && img.className) {
        var hasFakedClass = (img.className == 'edui-faked-video')
        var hasUploadClass = img.className.indexOf('edui-upload-video') != -1
        if (hasFakedClass || hasUploadClass) {
          $G('videoUrl').value = url = img.getAttribute('_url')
          $G('videoWidth').value = img.width
          $G('videoHeight').value = img.height
          var align = domUtils.getComputedStyle(img, 'float')
          var parentAlign = domUtils.getComputedStyle(img.parentNode, 'text-align')
          updateAlignButton(parentAlign === 'center' ? 'center' : align)
        }
        if (hasUploadClass) {
          isModifyUploadVideo = true
        }
      }
      createPreviewVideo(url)
    })()
  }

  /**
     * 监听确认和取消两个按钮事件，用户执行插入或者清空正在播放的视频实例操作
     */
  function addOkListener() {
    dialog.onok = function() {
      $G('preview').innerHTML = ''
      var currentTab = findFocus('tabHeads', 'tabSrc')
      switch (currentTab) {
        case 'video':
          return insertSingle()
          break
        case 'videoSearch':
          return insertSearch('searchList')
          break
        case 'upload':
          return insertUpload()
          break
      }
    }
    dialog.oncancel = function() {
      $G('preview').innerHTML = ''
    }
  }

  /**
     * 依据传入的align值更新按钮信息
     * @param align
     */
  function updateAlignButton(align) {
    var aligns = $G('videoFloat').children
    for (var i = 0, ci; ci = aligns[i++];) {
      if (ci.getAttribute('name') == align) {
        if (ci.className != 'focus') {
          ci.className = 'focus'
        }
      } else {
        if (ci.className == 'focus') {
          ci.className = ''
        }
      }
    }
  }

  /**
     * 将单个视频信息插入编辑器中
     */
  function insertSingle() {
    var width = $G('videoWidth')
    var height = $G('videoHeight')
    var url = $G('videoUrl').value
    var align = findFocus('videoFloat', 'name')
    if (!url) return false
    if (!checkNum([width, height])) return false
    editor.execCommand('insertvideo', {
      url: convert_url(url),
      width: width.value,
      height: height.value,
      align: align
    }, isModifyUploadVideo ? 'upload' : null)
  }

  /**
     * 将元素id下的所有代表视频的图片插入编辑器中
     * @param id
     */
  function insertSearch(id) {
    var imgs = domUtils.getElementsByTagName($G(id), 'img')
    var videoObjs = []
    for (var i = 0, img; img = imgs[i++];) {
      if (img.getAttribute('selected')) {
        videoObjs.push({
          url: img.getAttribute('ue_video_url'),
          width: 420,
          height: 280,
          align: 'none'
        })
      }
    }
    editor.execCommand('insertvideo', videoObjs)
  }

  /**
     * 找到id下具有focus类的节点并返回该节点下的某个属性
     * @param id
     * @param returnProperty
     */
  function findFocus(id, returnProperty) {
    var tabs = $G(id).children
    var property
    for (var i = 0, ci; ci = tabs[i++];) {
      if (ci.className == 'focus') {
        property = ci.getAttribute(returnProperty)
        break
      }
    }
    return property
  }
  function convert_url(url) {
    if (!url) return ''
    url = utils.trim(url)
      .replace(/v\.youku\.com\/v_show\/id_([\w\-=]+)\.html/i, 'player.youku.com/player.php/sid/$1/v.swf')
      .replace(/(www\.)?youtube\.com\/watch\?v=([\w\-]+)/i, 'www.youtube.com/v/$2')
      .replace(/youtu.be\/(\w+)$/i, 'www.youtube.com/v/$1')
      .replace(/v\.ku6\.com\/.+\/([\w\.]+)\.html.*$/i, 'player.ku6.com/refer/$1/v.swf')
      .replace(/www\.56\.com\/u\d+\/v_([\w\-]+)\.html/i, 'player.56.com/v_$1.swf')
      .replace(/www.56.com\/w\d+\/play_album\-aid\-\d+_vid\-([^.]+)\.html/i, 'player.56.com/v_$1.swf')
      .replace(/v\.pps\.tv\/play_([\w]+)\.html.*$/i, 'player.pps.tv/player/sid/$1/v.swf')
      .replace(/www\.letv\.com\/ptv\/vplay\/([\d]+)\.html.*$/i, 'i7.imgs.letv.com/player/swfPlayer.swf?id=$1&autoplay=0')
      .replace(/www\.tudou\.com\/programs\/view\/([\w\-]+)\/?/i, 'www.tudou.com/v/$1')
      .replace(/v\.qq\.com\/cover\/[\w]+\/[\w]+\/([\w]+)\.html/i, 'static.video.qq.com/TPout.swf?vid=$1')
      .replace(/v\.qq\.com\/.+[\?\&]vid=([^&]+).*$/i, 'static.video.qq.com/TPout.swf?vid=$1')
      .replace(/my\.tv\.sohu\.com\/[\w]+\/[\d]+\/([\d]+)\.shtml.*$/i, 'share.vrs.sohu.com/my/v.swf&id=$1')

    return url
  }

  /**
      * 检测传入的所有input框中输入的长宽是否是正数
      * @param nodes input框集合，
      */
  function checkNum(nodes) {
    for (var i = 0, ci; ci = nodes[i++];) {
      var value = ci.value
      if (!isNumber(value) && value) {
        alert(lang.numError)
        ci.value = ''
        ci.focus()
        return false
      }
    }
    return true
  }

  /**
     * 数字判断
     * @param value
     */
  function isNumber(value) {
    return /(0|^[1-9]\d*$)/.test(value)
  }

  /**
      * 创建图片浮动选择按钮
      * @param ids
      */
  function createAlignButton(ids) {
    for (var i = 0, ci; ci = ids[i++];) {
      var floatContainer = $G(ci)
      var nameMaps = { 'none': lang['default'], 'left': lang.floatLeft, 'right': lang.floatRight, 'center': lang.block }
      for (var j in nameMaps) {
        var div = document.createElement('div')
        div.setAttribute('name', j)
        if (j == 'none') div.className = 'focus'
        div.style.cssText = 'background:url(images/' + j + '_focus.jpg);'
        div.setAttribute('title', nameMaps[j])
        floatContainer.appendChild(div)
      }
      switchSelect(ci)
    }
  }

  /**
     * 选择切换
     * @param selectParentId
     */
  function switchSelect(selectParentId) {
    var selects = $G(selectParentId).children
    for (var i = 0, ci; ci = selects[i++];) {
      domUtils.on(ci, 'click', function() {
        for (var j = 0, cj; cj = selects[j++];) {
          cj.className = ''
          cj.removeAttribute && cj.removeAttribute('class')
        }
        this.className = 'focus'
      })
    }
  }

  /**
     * 监听url改变事件
     * @param url
     */
  function addUrlChangeListener(url) {
    if (browser.ie) {
      url.onpropertychange = function() {
        createPreviewVideo(this.value)
      }
    } else {
      url.addEventListener('input', function() {
        createPreviewVideo(this.value)
      }, false)
    }
  }

  /**
     * 根据url生成视频预览
     * @param url
     */
  function createPreviewVideo(url) {
    if (!url) return

    var conUrl = convert_url(url)

    conUrl = utils.unhtmlForUrl(conUrl)

    $G('preview').innerHTML = '<div class="previewMsg"><span>' + lang.urlError + '</span></div>' +
        '<embed class="previewVideo" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"' +
            ' src="' + conUrl + '"' +
            ' width="' + 420 + '"' +
            ' height="' + 280 + '"' +
            ' wmode="transparent" play="true" loop="false" menu="false" allowscriptaccess="never" allowfullscreen="true" >' +
        '</embed>'
  }

  /* 插入上传视频 */
  function insertUpload() {
    var videoObjs = []
    var uploadDir = editor.getOpt('videoUrlPrefix')
    var width = parseInt($G('upload_width').value, 10) || 420
    var height = parseInt($G('upload_height').value, 10) || 280
    var align = findFocus('upload_alignment', 'name') || 'none'
    for (var key in uploadVideoList) {
      var file = uploadVideoList[key]
      videoObjs.push({
        url: uploadDir + file.url,
        width: width,
        height: height,
        align: align
      })
    }

    var count = uploadFile.getQueueCount()
    if (count) {
      $('.info', '#queueList').html('<span style="color:red;">' + '还有2个未上传文件'.replace(/[\d]/, count) + '</span>')
      return false
    } else {
      editor.execCommand('insertvideo', videoObjs, 'upload')
    }
  }

  /* 初始化上传标签*/
  function initUpload() {
    uploadFile = new UploadFile('queueList')
  }

  /* 上传附件 */
  function UploadFile(target) {
    this.$wrap = target.constructor == String ? $('#' + target) : $(target)
    this.init()
  }
  UploadFile.prototype = {
    init: function() {
      this.fileList = []
      this.initContainer()
      this.initUploader()
    },
    initContainer: function() {
      this.$queue = this.$wrap.find('.filelist')
    },
    /* 初始化容器 */
    initUploader: function() {
      var _this = this
      var $ = jQuery // just in case. Make sure it's not an other libaray.
      var $wrap = _this.$wrap
      // 图片容器
      var $queue = $wrap.find('.filelist')
      // 状态栏，包括进度和控制按钮
      var $statusBar = $wrap.find('.statusBar')
      // 文件总体选择信息。
      var $info = $statusBar.find('.info')
      // 上传按钮
      var $upload = $wrap.find('.uploadBtn')
      // 上传按钮
      var $filePickerBtn = $wrap.find('.filePickerBtn')
      // 上传按钮
      var $filePickerBlock = $wrap.find('.filePickerBlock')
      // 没选择文件之前的内容。
      var $placeHolder = $wrap.find('.placeholder')
      // 总体进度条
      var $progress = $statusBar.find('.progress').hide()
      // 添加的文件数量
      var fileCount = 0
      // 添加的文件总大小
      var fileSize = 0
      // 优化retina, 在retina下这个值是2
      var ratio = window.devicePixelRatio || 1
      // 缩略图大小
      var thumbnailWidth = 113 * ratio
      var thumbnailHeight = 113 * ratio
      // 可能有pedding, ready, uploading, confirm, done.
      var state = ''
      // 所有文件的进度信息，key为file id
      var percentages = {}
      var supportTransition = (function() {
        var s = document.createElement('p').style
        var r = 'transition' in s ||
                            'WebkitTransition' in s ||
                            'MozTransition' in s ||
                            'msTransition' in s ||
                            'OTransition' in s
        s = null
        return r
      })()
      // WebUploader实例
      var uploader
      var actionUrl = editor.getActionUrl(editor.getOpt('videoActionName'))
      var fileMaxSize = editor.getOpt('videoMaxSize')
      var acceptExtensions = (editor.getOpt('videoAllowFiles') || []).join('').replace(/\./g, ',').replace(/^[,]/, '')

      if (!WebUploader.Uploader.support()) {
        $('#filePickerReady').after($('<div>').html(lang.errorNotSupport)).hide()
        return
      } else if (!editor.getOpt('videoActionName')) {
        $('#filePickerReady').after($('<div>').html(lang.errorLoadConfig)).hide()
        return
      }

      uploader = _this.uploader = WebUploader.create({
        pick: {
          id: '#filePickerReady',
          label: lang.uploadSelectFile
        },
        swf: '../../third-party/webuploader/Uploader.swf',
        server: actionUrl,
        fileVal: editor.getOpt('videoFieldName'),
        duplicate: true,
        fileSingleSizeLimit: fileMaxSize,
        compress: false
      })
      uploader.addButton({
        id: '#filePickerBlock'
      })
      uploader.addButton({
        id: '#filePickerBtn',
        label: lang.uploadAddFile
      })

      setState('pedding')

      // 当有文件添加进来时执行，负责view的创建
      function addFile(file) {
        var $li = $('<li id="' + file.id + '">' +
                        '<p class="title">' + file.name + '</p>' +
                        '<p class="imgWrap"></p>' +
                        '<p class="progress"><span></span></p>' +
                        '</li>')

        var $btns = $('<div class="file-panel">' +
                        '<span class="cancel">' + lang.uploadDelete + '</span>' +
                        '<span class="rotateRight">' + lang.uploadTurnRight + '</span>' +
                        '<span class="rotateLeft">' + lang.uploadTurnLeft + '</span></div>').appendTo($li)
        var $prgress = $li.find('p.progress span')
        var $wrap = $li.find('p.imgWrap')
        var $info = $('<p class="error"></p>').hide().appendTo($li)

        var showError = function(code) {
          switch (code) {
            case 'exceed_size':
              text = lang.errorExceedSize
              break
            case 'interrupt':
              text = lang.errorInterrupt
              break
            case 'http':
              text = lang.errorHttp
              break
            case 'not_allow_type':
              text = lang.errorFileType
              break
            default:
              text = lang.errorUploadRetry
              break
          }
          $info.text(text).show()
        }

        if (file.getStatus() === 'invalid') {
          showError(file.statusText)
        } else {
          $wrap.text(lang.uploadPreview)
          if ('|png|jpg|jpeg|bmp|gif|'.indexOf('|' + file.ext.toLowerCase() + '|') == -1) {
            $wrap.empty().addClass('notimage').append('<i class="file-preview file-type-' + file.ext.toLowerCase() + '"></i>' +
                            '<span class="file-title">' + file.name + '</span>')
          } else {
            if (browser.ie && browser.version <= 7) {
              $wrap.text(lang.uploadNoPreview)
            } else {
              uploader.makeThumb(file, function(error, src) {
                if (error || !src || (/^data:/.test(src) && browser.ie && browser.version <= 7)) {
                  $wrap.text(lang.uploadNoPreview)
                } else {
                  var $img = $('<img src="' + src + '">')
                  $wrap.empty().append($img)
                  $img.on('error', function() {
                    $wrap.text(lang.uploadNoPreview)
                  })
                }
              }, thumbnailWidth, thumbnailHeight)
            }
          }
          percentages[ file.id ] = [file.size, 0]
          file.rotation = 0

          /* 检查文件格式 */
          if (!file.ext || acceptExtensions.indexOf(file.ext.toLowerCase()) == -1) {
            showError('not_allow_type')
            uploader.removeFile(file)
          }
        }

        file.on('statuschange', function(cur, prev) {
          if (prev === 'progress') {
            $prgress.hide().width(0)
          } else if (prev === 'queued') {
            $li.off('mouseenter mouseleave')
            $btns.remove()
          }
          // 成功
          if (cur === 'error' || cur === 'invalid') {
            showError(file.statusText)
            percentages[ file.id ][ 1 ] = 1
          } else if (cur === 'interrupt') {
            showError('interrupt')
          } else if (cur === 'queued') {
            percentages[ file.id ][ 1 ] = 0
          } else if (cur === 'progress') {
            $info.hide()
            $prgress.css('display', 'block')
          } else if (cur === 'complete') {
          }

          $li.removeClass('state-' + prev).addClass('state-' + cur)
        })

        $li.on('mouseenter', function() {
          $btns.stop().animate({ height: 30 })
        })
        $li.on('mouseleave', function() {
          $btns.stop().animate({ height: 0 })
        })

        $btns.on('click', 'span', function() {
          var index = $(this).index()
          var deg

          switch (index) {
            case 0:
              uploader.removeFile(file)
              return
            case 1:
              file.rotation += 90
              break
            case 2:
              file.rotation -= 90
              break
          }

          if (supportTransition) {
            deg = 'rotate(' + file.rotation + 'deg)'
            $wrap.css({
              '-webkit-transform': deg,
              '-mos-transform': deg,
              '-o-transform': deg,
              'transform': deg
            })
          } else {
            $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')')
          }
        })

        $li.insertBefore($filePickerBlock)
      }

      // 负责view的销毁
      function removeFile(file) {
        var $li = $('#' + file.id)
        delete percentages[ file.id ]
        updateTotalProgress()
        $li.off().find('.file-panel').off().end().remove()
      }

      function updateTotalProgress() {
        var loaded = 0
        var total = 0
        var spans = $progress.children()
        var percent

        $.each(percentages, function(k, v) {
          total += v[ 0 ]
          loaded += v[ 0 ] * v[ 1 ]
        })

        percent = total ? loaded / total : 0

        spans.eq(0).text(Math.round(percent * 100) + '%')
        spans.eq(1).css('width', Math.round(percent * 100) + '%')
        updateStatus()
      }

      function setState(val, files) {
        if (val != state) {
          var stats = uploader.getStats()

          $upload.removeClass('state-' + state)
          $upload.addClass('state-' + val)

          switch (val) {
            /* 未选择文件 */
            case 'pedding':
              $queue.addClass('element-invisible')
              $statusBar.addClass('element-invisible')
              $placeHolder.removeClass('element-invisible')
              $progress.hide(); $info.hide()
              uploader.refresh()
              break

              /* 可以开始上传 */
            case 'ready':
              $placeHolder.addClass('element-invisible')
              $queue.removeClass('element-invisible')
              $statusBar.removeClass('element-invisible')
              $progress.hide(); $info.show()
              $upload.text(lang.uploadStart)
              uploader.refresh()
              break

              /* 上传中 */
            case 'uploading':
              $progress.show(); $info.hide()
              $upload.text(lang.uploadPause)
              break

              /* 暂停上传 */
            case 'paused':
              $progress.show(); $info.hide()
              $upload.text(lang.uploadContinue)
              break

            case 'confirm':
              $progress.show(); $info.hide()
              $upload.text(lang.uploadStart)

              stats = uploader.getStats()
              if (stats.successNum && !stats.uploadFailNum) {
                setState('finish')
                return
              }
              break

            case 'finish':
              $progress.hide(); $info.show()
              if (stats.uploadFailNum) {
                $upload.text(lang.uploadRetry)
              } else {
                $upload.text(lang.uploadStart)
              }
              break
          }

          state = val
          updateStatus()
        }

        if (!_this.getQueueCount()) {
          $upload.addClass('disabled')
        } else {
          $upload.removeClass('disabled')
        }
      }

      function updateStatus() {
        var text = ''; var stats

        if (state === 'ready') {
          text = lang.updateStatusReady.replace('_', fileCount).replace('_KB', WebUploader.formatSize(fileSize))
        } else if (state === 'confirm') {
          stats = uploader.getStats()
          if (stats.uploadFailNum) {
            text = lang.updateStatusConfirm.replace('_', stats.successNum).replace('_', stats.successNum)
          }
        } else {
          stats = uploader.getStats()
          text = lang.updateStatusFinish.replace('_', fileCount)
            .replace('_KB', WebUploader.formatSize(fileSize))
            .replace('_', stats.successNum)

          if (stats.uploadFailNum) {
            text += lang.updateStatusError.replace('_', stats.uploadFailNum)
          }
        }

        $info.html(text)
      }

      uploader.on('fileQueued', function(file) {
        fileCount++
        fileSize += file.size

        if (fileCount === 1) {
          $placeHolder.addClass('element-invisible')
          $statusBar.show()
        }

        addFile(file)
      })

      uploader.on('fileDequeued', function(file) {
        fileCount--
        fileSize -= file.size

        removeFile(file)
        updateTotalProgress()
      })

      uploader.on('filesQueued', function(file) {
        if (!uploader.isInProgress() && (state == 'pedding' || state == 'finish' || state == 'confirm' || state == 'ready')) {
          setState('ready')
        }
        updateTotalProgress()
      })

      uploader.on('all', function(type, files) {
        switch (type) {
          case 'uploadFinished':
            setState('confirm', files)
            break
          case 'startUpload':
            /* 添加额外的GET参数 */
            var params = utils.serializeParam(editor.queryCommandValue('serverparam')) || ''
            var url = utils.formatUrl(actionUrl + (actionUrl.indexOf('?') == -1 ? '?' : '&') + 'encode=utf-8&' + params)
            uploader.option('server', url)
            setState('uploading', files)
            break
          case 'stopUpload':
            setState('paused', files)
            break
        }
      })

      uploader.on('uploadBeforeSend', function(file, data, header) {
        // 这里可以通过data对象添加POST参数
        header['X_Requested_With'] = 'XMLHttpRequest'
        // HaoChuan9421
        if (editor.options.headers && Object.prototype.toString.apply(editor.options.headers) === '[object Object]') {
          for (var key in editor.options.headers) {
            header[key] = editor.options.headers[key]
          }
        }
      })

      uploader.on('uploadProgress', function(file, percentage) {
        var $li = $('#' + file.id)
        var $percent = $li.find('.progress span')

        $percent.css('width', percentage * 100 + '%')
        percentages[ file.id ][ 1 ] = percentage
        updateTotalProgress()
      })

      uploader.on('uploadSuccess', function(file, ret) {
        var $file = $('#' + file.id)
        try {
          var responseText = (ret._raw || ret)
          var json = utils.str2json(responseText)
          if (json.state == 'SUCCESS') {
            uploadVideoList.push({
              'url': json.url,
              'type': json.type,
              'original': json.original
            })
            $file.append('<span class="success"></span>')
          } else {
            $file.find('.error').text(json.state).show()
          }
        } catch (e) {
          $file.find('.error').text(lang.errorServerUpload).show()
        }
      })

      uploader.on('uploadError', function(file, code) {
      })
      uploader.on('error', function(code, file) {
        if (code == 'Q_TYPE_DENIED' || code == 'F_EXCEED_SIZE') {
          addFile(file)
        }
      })
      uploader.on('uploadComplete', function(file, ret) {
      })

      $upload.on('click', function() {
        if ($(this).hasClass('disabled')) {
          return false
        }

        if (state === 'ready') {
          uploader.upload()
        } else if (state === 'paused') {
          uploader.upload()
        } else if (state === 'uploading') {
          uploader.stop()
        }
      })

      $upload.addClass('state-' + state)
      updateTotalProgress()
    },
    getQueueCount: function() {
      var file; var i; var status; var readyFile = 0; var files = this.uploader.getFiles()
      for (i = 0; file = files[i++];) {
        status = file.getStatus()
        if (status == 'queued' || status == 'uploading' || status == 'progress') readyFile++
      }
      return readyFile
    },
    refresh: function() {
      this.uploader.refresh()
    }
  }
})()
